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MODERN TUNNELLING TECHNOLOGY 2012, Vol. 49 Issue (3) :166-170    DOI:
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Influence of Metro Shield Driving under Railway Yard and Construction Design
Guangzhou Metro Design Research Institute Co., Ltd
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Abstract A numerical simulation is carried out to study the settlement of ground caused by the construction of a shield tunnel. As a railway yard is just above the tunnel and the differential settlement of the steel rails is limited in 5 mm, it requires high quality of the tunnel construction. The simulation results indicate that the grouting reinforcement to the stratum between the railway and the tunnel is an effective way to control the settlement of ground, ensuring the operation safety of existing railways.
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Abstract： A numerical simulation is carried out to study the settlement of ground caused by the construction of a shield tunnel. As a railway yard is just above the tunnel and the differential settlement of the steel rails is limited in 5 mm, it requires high quality of the tunnel construction. The simulation results indicate that the grouting reinforcement to the stratum between the railway and the tunnel is an effective way to control the settlement of ground, ensuring the operation safety of existing railways.
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.Influence of Metro Shield Driving under Railway Yard and Construction Design[J]  MODERN TUNNELLING TECHNOLOGY, 2012,V49(3): 166-170
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